XIII
Data Validation Report
================================================================================ DATA INTEGRITY & VALIDATION REPORT ================================================================================ Stock: NU Company: NU Sector: N/A | Industry: N/A Validation Date: 2026-03-04T21:50:13.228834 Data Sources: FinQual (10-year annual) + fiscal.ai (quarterly real-time) + Alpha Vantage Source Priority: fiscal.ai (real-time) > FinQual (API) -------------------------------------------------------------------------------- 📊 FORMULA VERIFICATIONS -------------------------------------------------------------------------------- ✓ Gross Margin Verification (FY 2024 GAAP): Formula: Gross Profit / Revenue × 100 Calculation: $5,252,909,000 / $11,517,075,000 × 100 = 45.61% Status: ✅ VALID (0-100%) ✓ Operating Margin Verification (FY 2024 GAAP): Formula: Operating Income / Revenue × 100 Calculation: $0 / $11,517,075,000 × 100 = 0.00% Hierarchy Check: Operating Margin (0.00%) ≤ Gross Margin (45.61%) Status: ✅ VALID ⚠️ P/E Ratio: Not calculable (insufficient data) 📋 METRIC CLASSIFICATIONS -------------------------------------------------------------------------------- [HISTORICAL DATA AVAILABILITY]: Annual Statements: 10 years (2016 - 2025) Source: FinQual 10-K + fiscal.ai scraping [FY 2024 GAAP] (Annual Audited): Revenue: $11,517,075,000 Net Income: $1,972,112,000 EPS (Diluted): N/A Source: FinQual 10-K filings [Current Market Data]: Stock Price: $15.00 Market Cap: $73,220,000,000 Source: fiscal.ai real-time scraping (verified) ⚠️ DATA DISCREPANCIES & RESOLUTIONS -------------------------------------------------------------------------------- ✅ No significant discrepancies between data sources All metrics validated within tolerance thresholds 🔍 DATA QUALITY ASSESSMENT -------------------------------------------------------------------------------- 🔴 Issue 1 [HIGH]: Invalid revenue data Detail: Revenue for 2025: None 🟡 Issue 2 [MEDIUM]: Missing quarterly data Detail: fiscal.ai scraping may have failed 📝 DATA EXCLUSIONS & ADJUSTMENTS -------------------------------------------------------------------------------- The following adjustments were made to ensure data accuracy: • Non-GAAP metrics clearly labeled as [Adjusted] • Forward estimates labeled as [Forward Estimate] with source attribution • Missing or invalid data points marked as 'N/A' rather than estimated • fiscal.ai quarterly data preferred over annual for recency ================================================================================ VALIDATION SUMMARY ================================================================================ ❌ Overall Status: FAILED 📊 Data Completeness: • Annual Statements: 10 years • Quarterly Data: 0 quarters • Balance Sheet: 10 years 🔒 Data Integrity: • Formula Verifications: Completed • Margin Validations: Completed • Cross-Source Checks: 0 discrepancies resolved ✓ Institutional-Grade Standards: • All metrics labeled with data type (FY GAAP/TTM/Adjusted/Forward) • Source attribution for all data points • Formula calculations shown and verified • Data hierarchy validated (Operating ≤ Gross margins) ================================================================================